Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D453558 | Kerosene-fired room heater | Hiroyuki Ishimura | 2002-02-12 |
| D306722 | Television receiver | Toru Kiyota, Ryuichiro Tanaka | 1990-03-20 |
| D271974 | Television receiver | Akira Takahashi, Takeichi Obata | 1983-12-27 |
| D269676 | Television receiver | Akira Takahashi, Takeichi Obata | 1983-07-12 |